Cooler



FIG. 1 is a front side elevation view of a cooler showing our new design;

FIG. 2 is a rear, left perspective view;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof; and,

FIG. 7 is a rear side elevation view thereof.

The broken lines in FIGS. 1-7 of the cooler are for the purpose of illustrating environment, and form no part of the claimed design. 

CLAIM The ornamental design for a cooler, as shown and described. 